Aaa I thought this was a question and was ready to get into full answering mode lol
So basically when you are adding or subtracting fractions the denominators the number on the bottom of the fraction 12 in this case and 8 as well the two denominators sharing the least common multiple so what is the lowest multiple of 12 and 8 so count off 12: 12, 24, 36... 8: 8, 16 , 24 does that help?
Answer:
292
Step-by-step explanation:
the sum of all the angles of a parallelogram must add up to 360
(1/5)(5/10)(5/10)=25/500=1/20
1/20=0.05